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Top Open Source In-Memory Databases Tools in 2026

A curated collection of the 2 best free and open-source In-Memory Databases tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Memgraph

    High-performance in-memory graph database

    Stars
    4,364
    Last commit
    11d ago
    License
    Open Source

  • Dragonfly

    Ultra-fast Redis-compatible in-memory data store

    Stars
    31,045
    Last commit
    10d ago
    License
    Open Source
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Showing 2 of 2 open-source tools